Prosecution Insights
Last updated: April 19, 2026

Examiner: LANGEL, WAYNE A

Tech Center 1700 • Art Units: 1731 1736 1793

This examiner grants 79% of resolved cases

Performance Statistics

78.6%
Allow Rate
+13.6% vs TC avg
1668
Total Applications
+23.3%
Interview Lift
951
Avg Prosecution Days
Based on 1622 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
2.0%
§102 Novelty
33.6%
§103 Obviousness
37.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18297666 MUSHROOM CULTIVATION MEDIUM Non-Final OA SEIKO EPSON CORPORATION
18287766 TITANIUM OXIDE PARTICLE-METAL PARTICLE COMPOSITION AND METHOD FOR PRODUCING SAME Non-Final OA Shin-Etsu Chemical Co., Ltd.
18284525 COMPOSITIONS, METHODS, AND SYSTEMS FOR MICROWAVE CATALYTIC AMMONIA SYNTHESIS Non-Final OA WEST VIRGINIA UNIVERSITY BOARD OF GOVERNORS ON BEHALF OF WEST VIRGINIA UNIVERSITY
18242631 ACOUSTICMICROFLUIDIC DRIVEN ONE-STEP TEMPLATE-FREE ENGINEERING OF POROUS MULTIDIMENSIONAL MULTIMETALLIC NANOARCHITECTURES WITH TUNABLE SIZE, SHAPE, AND COMPOSITION Non-Final OA QATAR UNIVERSITY
18026247 HYDROGEN NANOBUBBLES INFUSED WATER FOR INDUSTRIAL CROP IRRIGATION Non-Final OA American Air Liquide, Inc.
18254263 FERTILISING AND/OR SOIL CONDITIONING COMPOSITION INTENDED FOR CULTURE SUBSTRATES AND/OR CULTURE SOLUTIONS Non-Final OA AGRO INNOVATION INTERNATIONAL
18205837 Process and Apparatus for Cracking Ammonia Non-Final OA Air Products and Chemicals, Inc.
18252510 TREATMENT OF BAUXITE RESIDUE Non-Final OA THE UNIVERSITY OF QUEENSLAND
18236500 APPARATUS FOR PRODUCING REDUCED SILICON NANOPOWDER USING LASER Non-Final OA KNU-Industry Cooperation Foundation
18650647 Bayer Process Non-Final OA Rio Tinto AIcan International Limited
18248379 MICROBIAL FERTILIZERS AND/OR ADDITIVES FOR NITROGEN-BASED FERTILIZERS Non-Final OA LOCUS SOLUTIONS IPCO, LLC
18022085 AN ORGANIC AGRICULTURAL COMPOSITION Non-Final OA SML LIMITED
18575077 METHOD AND APPARATUS FOR WASTE PROCESSING MIXED WASTE Non-Final OA 800 SUPER WASTE MANAGEMENT PTE. LTD.
18168333 MANUFACTURING AND USE OF FUNCTIONALIZED SOIL AMENDMENT Non-Final OA PRAIRIECHAR, INC, D/B/A PRAIRIE FOOD
18371880 METHOD OF PROCESSING BAUXITES TO PRODUCE ALUMINA Non-Final OA OBSHCHESTVO S OGRANICHENNOY OTVETSTVENNOST'YU "OBEDINENNAYA KOMPANIYA RUSAL INZHENERNO-TEKHNOLOGICHE
18446417 Method of Bioammonia Production from Wastewater Through Application of Mass-Transfer Reaction Kinetics Final Rejection Figure 8 Environmental
18247624 MICRONUTRIENT COMPOSITIONS WITH SUPRAMOLECULAR STRUCTURES FOR AGRICULTURAL USE Non-Final OA BPS JUST ENERGY TECHNOLOGY, LLC
18247613 MACRONUTRIENT COMPOSITIONS WITH SUPRAMOLECULAR STRUCTURES FOR AGRICULTURAL USE Non-Final OA BPS JUST ENERGY TECHNOLOGY, LLC
18362118 STRAW HUMIFICATION PROCESSING METHOD Non-Final OA CHANGCHUN XINRUIDE NEW MATERIAL TECHNOLOGY DEVELOPMENT CO., LTD.
18355012 POLYMERIC SALT-TOLERANT AND WATER-RETAINING FERTILIZER AND PREPARATION METHOD THEREOF Non-Final OA Qingdao Agricultural University
18257546 NITRIFICATION INHIBITORS AND FORMULATIONS Non-Final OA Incitec Fertilisers Operations Pty Ltd
18039004 CONTROLLED RELEASE POTASSIUM CHLORIDE FERTILIZER Non-Final OA EVERRIS INTERNATIONAL B.V.
18026161 PYRAZOLO [3,4-B] PYRIDINE-4-CARBOXAMIDE NITRIFICATION INHIBITOR Non-Final OA EUROCHEM ANTWERPTEN
18026157 N-HETEROCYCLIC COMPOUNDS USED AS NITRIFICATION INHIBITOR Non-Final OA EUROCHEM ANTWERPEN
18163608 PLANT INOCULATION METHOD Non-Final OA AZOTIC TECHNOLOGIES LTD
18161324 SYSTEMS AND METHODS FOR TREATING WASTE STREAMS Non-Final OA GSR Solutions, LLC
18004401 METHOD FOR PRODUCING A SOIL CONDITIONING AGENT Final Rejection CCm Technologies Limited
18150102 PROCESS FOR CARBON-FREE FERTILIZER PRODUCTION AND GRID BALANCING SYSTEM Non-Final OA Atlas Agro Holding AG
17785929 A FERTILIZER GRANULE OF POLYHALITE AND POTASSIUM SULPHATE AND A COMPACTION PROCESS FOR THE PRODUCTION THEREOF Final Rejection ICL EUROPE COOPERATIEF U.A.
17956221 UREA CYCLE AUGMENTING COMPOSITION AND METHODS OF USE Non-Final OA Panoptic Ag Solutions LLC

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